Regio- and stereo-selective reaction of 1,3-disubstituted allyl anions with aldehydes viaη3-allyltitanium compounds

Abstract
The regio-and stereo-chemistry in reactions of 1,3-disubstituted allyl anions with aldehydes can be controlled via η3-allyltitanium compounds and this provides a simple method for the preparation of threo-4-hydroxy-3-methyl-cis-1-phenoxyhex-1-ene (3b) and threo-4-hydroxy-3-trimethylsilyl-trans-1-trimethylsilylhex-1-ene (3d).

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